OpenTechnical

OT-2026-000069999

Publication integrity record

Four bellows cup vacuum gripper, four zone face, six outlet manifold, pump fed, pressure sensor per zone, pulsed blow-off before set-down

This page is the evidence record. It changes as evidence arrives: a trusted timestamp, an independent retrieval, a custody deposit. The disclosure itself (/p/OT-2026-000069999) never changes.

Identity and time

Publication numberOT-2026-000069999 · never reused
Internal UUID01a0ae91-1861-7720-8718-2d28d5d661cc · UUIDv7, RFC 9562
Publication timestamp2026-09-17T08:52:19.726120Z
Recorded by the publication infrastructure in UTC, not taken from the submission.
Canonical URLhttps://opentechnical.org/p/OT-2026-000069999
StatusPUBLIC

Content hashes

Canonical textdefe460f7c8578c967807ca180c228b9d002c3abbea32c3d9156e75a9762fa88
Markdown0461810cfd1305584a23e2c662f8d513e985df78d634368479da67786c507c9e
PDF
Publication paged8270ac118a61845d96550017bdd77a9f1404f2c6372bb777ab8f8d85546cce2
Manifestbe4d438678d5773955c73aef74c6b83fbbfcfd170c272c0e46f6edde352df56b

SHA-256, lowercase hex, over the exact bytes of each published file. Every figure is hashed individually in the manifest.

Manifest signature

AlgorithmEd25519 · key OT-SIGN-2026-01 · Verified
SignatureIhy7UPOFZA+MOv5Gf9oHhySPDtyuAYi/PXhUXvGmvLIDZPj5qIPyFHg8jRSjmdYVQq9aoUJBjG6eNooIUYDaBg==
Public key/integrity/keys · every key we have ever used stays published

Trusted external timestamp

timestamp.digicert.com2026-09-17T09:07:03Z
batch OT-TS-2026-W38-022 · RFC 3161 token · inclusion proof
root 061e9ae86cc297cdce873398aaec3f72...

Independent retrieval

2026-09-17T10:26:56.855782ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069999
observed d8270ac118a61845d96550017bdd77a9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.838862ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069999/manifest.json
observed be4d438678d5773955c73aef74c6b83f...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.822201ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069999/publication.md
observed 0461810cfd1305584a23e2c662f8d513...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139
2026-09-17T10:26:56.804527ZHTTP 200 · MATCH
https://opentechnical.org/p/OT-2026-000069999/publication.txt
observed defe460f7c8578c967807ca180c228b9...
fetched by instance-3.rotem.ai from 34.69.0.72, which resolved the name to 35.239.157.139

Requested from infrastructure separate from the publication system, over the public internet, with no credential. A MATCH means an ordinary internet client could fetch the publication and received exactly the bytes recorded above.

Independent archive

External archivePending Canonical URLs are submitted to an independent archive in batches.

A capture held by an outside archive is evidence that does not depend on OpenTechnical continuing to exist. It supplements the records above; it does not replace them.

Third-party custody

Custody packagePending Custody packages are produced weekly.